Father of Iraq war veteran who 'killed four homeless men' is HIMSELF homeless and lives out of a truck in a parking lot

The father of a Marine veteran suspected of killing four homeless men in Southern California is himself homeless, it has emerged.

Furthermore, just days before being arrested Itzcoatl Ocampo, 23, went to his father, showed him a picture of one of the victims and warned him of the dangers of living on the streets.

'He was very worried about me,' said Refugio Ocampo, 49. 'I told him, "Don't worry. I'm a survivor. Nothing will happen to me."'

His son is awaiting charges in connection with the killings of four homeless men since late December.

The father also said his son came back a changed man after serving in Iraq, expressing disillusionment and becoming ever darker as his family life frayed and he struggled to find his way as a civilian.

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Worried: Refugio Ocampo, the father of the 23-year-old who is the prime suspect in the killings, is himself homeless and said the Iraq war killed the man his son used to be

Service: A relative holds a photograph of Itzcoatl posing proudly in his Marines uniform. He was said to have become paranoid and delusional after his deployment

Mr Ocampo, a former lawyer, said his son (pictured right in an image released by police after his arrest) came back a changed man after serving in Iraq

The father said he lost his job and
home, and ended up living under a bridge before finding shelter in the
cab of a broken-down big-rig he is helping repair.

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Itzcoatl Ocampo was arrested Jan. 13
after 64-year-old homeless man, John Berry - believed to be a Vietnam
veteran - was stabbed to death outside a Carl's Jr. restaurant in
Anaheim.

Bystanders gave chase, and police made the arrest.

Refugio Ocampo said that on Jan. 11
his son came to him with a picture of the first victim, 53-year-old
James Patrick McGillivray, who was killed on Dec. 20.

'"This is what's happening,"' the father quoted his son as saying.

In addition to Berry and McGillivray,
Lloyd Middaugh, 42, was killed near a riverbed trail in Anaheim on Dec.
28; and Paulus Smit, 57, was found dead outside a Yorba Linda library
on Dec. 30.

Refugio Ocampo said investigators
came to him on Friday night and showed him surveillance photos from a
crime scene, but he did not recognize his son as the person in the
images.

Itzcoatl Ocampo's family have released these images of the young man, showing him in happier times

The victims: From left, James McGillivray was stabbed outside a shopping centre on December 20; Lloyd Middaugh was found stabbed on a riverbed on December 28; and Paulus Cornelius Smit was found stabbed outside a library on December 30

Locations: Police in Orange County, California said a serial killer was responsible for the first
three killings in December. They are investigating if the fourth, which happened on Friday, is connected

Clues: An image from surveillance video at a California strip mall shows James McGillivray before his death

'If he did it, it wasn't right, obviously. But there's something wrong with him,' he said.

Itzcoatl Ocampo had been living with
his mother, uncle, and younger brother and sister in a rented house on a
horse ranch surrounded by the sprawling suburbs of Yorba Linda.

At the humble home, his mother, who
speaks little English, tearfully brought her son's Marine Corps dress
uniform out of a closet and showed unit photos, citations and medals
from his military service.

The son followed a friend into the
Marine Corps right out of high school in 2006 instead of going to
college as his father had hoped. Itzcoatl Ocampo was discharged in 2010
and returned home to find his family in disarray, the father said.

'Once he received the news he was
never the same,' said the suspect's younger brother, 17-year-old
Mixcoatl Ocampo. He said his brother visited Patino's grave twice a
week.

Refugio and Mixcoatl both described a
physical condition Itzcoatl suffered in which his hands shook and he
suffered headaches. Medical treatments helped until he started drinking
heavily, both said.'He started drinking like crazy, too much, way too much,' the father said.

A neighbor who is a Vietnam veteran
and the father both tried to push Itzcoatl to get treatment at a
veterans hospital, but he refused. Refugio Ocampo said he wanted his son
to get psychological treatment as well.

'He started talking about stuff that didn't make any sense, that the end of the world was going to happen,' he said.

In custody: FBI special agent in charge William O'Leary speaks at the podium to announce the arrest of Itzcoatl Ocampo, who was charged with the murders of the four men on Tuesday

A community remembers: Megan Munoz, 13, adds a message to a spontaneous memorial to John Berry, on the spot where the homeless veteran was murdered behind a Carl's Jr. restaurant in Anaheim

Staying informed: Julia Adams, right, and Megan Munoz, both 13, read an article about the killings

While Refugio Ocampo lives away from
his family, they remain close. He saw his children every day, and his
wife brings food to the parking lot where the truck is located in the
city of Fullerton. He and his two sons went to get haircuts together
just a day before the arrest, the father said.

Refugio Ocampo, who said he was
educated as a lawyer in Mexico, immigrated with his wife and Itzcoatl in
1988 and became a U.S. citizen. He described building a successful life
in which he became a warehouse manager and bought a home in Yorba
Linda. In the past few years he lost his job, ran out of savings, lost
his house and separated from his wife.

Standing near the truck where he
sleeps, the father fought back tears as he described the changes he saw
in his son in the year since returning home.

'Before, he had the initiative to do things, the desire. But after the military, he didn't have any of that,' he said.

That was far from the son who in high school was a polite and motivated student, he said.

A school friend, Brian Doyle,
portrayed Itzcoatl Ocampo as a fun-loving teen who liked to hit on girls
when he joined the military. After he was discharged and returned home
he became isolated and trusted no one, said Doyle, 23.

Doyle had difficulty describing the change he saw in his friend from high school.

'He went from being a tall, geeky kid, really fun-loving...,' he said, trailing off.

Doyle said he once offered his friend
a self-help book based on Eastern philosophy that he had found useful
but Itzcoatl Ocampo rejected it.

Doyle said he tried to find out what
was going on with his friend but didn't press it, never imagining
something like the serial killings.

'Everyone's got their issues, you know,' he said.

Anaheim Police Chief John Welter has
said investigators are confident they have the man responsible for the
string of murders that struck fear into Orange County's homeless since
Dec. 20.

Prosecutors have yet to file charges.

On Saturday, mourners wept and placed flowers at the scene of the latest victim, John Berry.

Since mid-December a
task force of police officers, sheriff's deputies and FBI agents had
been looking for the single suspect they believed was responsible for the attacks.

Search: Police in Los Angeles, California arrested Ocampo in connection with the murder of a homeless man on Friday night. Witnesses chased the suspect as he fled a car park and led police to him

Questions: Deputy police chief Craig Hunter talks to reporters after the body was found behind a restaurant

He was found between 8pm and 9pm
Friday in a Carl's Jr. parking lot at the intersection of La Palma
Avenue and Imperial Highway in Anaheim, police said.

Marilyn
Holland, an Anaheim resident who befriended the victim and regularly
brought him oatmeal raisin cookies, said he was uncharacteristically
nervous since police warned him to stay vigilant in the days after the
killings began.

'He told me he thought he was being followed,' Holland said.

'I
told him after pay day I was going to get him a cellphone, so he could
call 911 if anything happened. Normally he would refuse help but he was
willing to accept the phone because he was scared.'

Holland was paid Friday but didn't get the chance to get the phone to her friend.

Several
witnesses reported an assault in progress, and officers arrived to find
the homeless man dead near a trash bin in the restaurant parking lot.

Witnesses followed a man who ran from the lot and led police to him, Anaheim police Sgt. Bob Dunn said.

'We
were having dinner in the area and saw about 40 police cars scream into
the parking lot. I ran over and hugged my friend, screaming, "Please
tell me it's not John!" But it was,' Holland said, fighting back tears.

Police set up a large containment area at the crime scene in a search for the killer and scoured nearby neighborhoods, including a mobile home park, Dunn said.

A police bloodhound traced the scent from Ocampo's belongings back to the scene where the attack occurred, about 10 miles northeast of the Disneyland Resort, authorities said.

Ocampo was being held without bail on suspicion of murder, Dunn said.

Fear: A crowd gathers around the scene of Friday's crime. Around 50 witnesses are being interviewed by police

Ongoing: Police are now investigating whether the stabbing is connected to three others in December

A task force of law enforcement
officers from Anaheim, Placentia, Brea, the Orange County Sheriff's
Department and the FBI had been formed to investigate the killings of
the three other homeless men.

James
Patrick McGillivray, 53, was killed near a shopping center in Placentia
on Dec. 20; Lloyd Middaugh, 42, was found near a riverbed trail in
Anaheim on Dec. 28; and Paulus Smit, 57, was killed outside a Yorba
Linda library on Dec. 30.

Police and advocates have been urging those living on the streets to head inside or buddy up in the wake of the killings.

The
identity of the Friday night victim was not officially released but
nearby residents said the man, known as John, was well known.

Krista Schegetz, who had known John for five or six years, told the Orange County Register she had warned him about the killings.

'When the second one happened, I
didn't know if he'd heard,' said Schegetz. 'I know he reads the paper.
But I wasn't sure and I said just please be careful.

'He was very solitary. When I first met him, I asked him if there was anything he needed, and he said "I have everything."'

'He
was the nicest guy you can imagine,' Kevin Christensen told the
Register. 'I wanted to warn him there was a serial killer loose, and he
said "Don't worry about it."'

John's
murder comes after the deaths of three homeless men in ten days last
month. Each man, found dead in Orange County, was alone at the time of
the killings and stabbed repeatedly.

James
McGillivray, 53, was found killed with multiple stab wounds outside a
shopping center in Placentia. Eight days later, Lloyd Middaugh, 42, was
found along a riverbed trail in Anaheim.

Paulus
Cornelius Smit, 57, was found stabbed to death on December 30 in a
stairwell outside a library. His daughter told NBC he had been stabbed
15 to 20 times in the chest and that his bicycle had been stolen.

'He was a proud man,' Julia Smit
Lorenzo, who said her father enjoyed making bicycles from scratch,
recounted. 'He wouldn’t walk away from a situation or into one. It looks
like he was ambushed.'

She added: 'He was street smart. Homelessness was one thing I overcame. He succumbed to it.'

It is not yet known for certain if the killings are linked, but a task force is investigating a connection.

'Each victim was stabbed multiple
times,' Anaheim Police Deputy Chief Craig Hunter said. 'There are some
additional similarities between the victims that we are not going to
discuss.'

No information was released on the man
they took into custody, but Hunter said 'in a very general sense' he
matched the description of the man suspected for the earlier deaths.

But police are not assuming they have solved the serial killings. 'We are certainly not letting down our guard,' Hunter said.

Authorities had released grainy photographs from surveillance video of a man in dark clothing wanted for questioning. Video also showed a white Toyota Corolla driving past the scene an hour before the murder.

Police had urged homeless people to seek shelter and visited homeless camps across Orange County to warn transients of a serial killer is on the loose.

On Friday, the Orange County sheriff's deputies union had announced a $5,000 reward for information leading to an arrest.

Tom Dominguez, president of the Association of Orange County Deputy Sheriffs, told City News Service: 'This guy is a serial killer preying on some of the most vulnerable people in society.

'We have to do whatever we can to stop him from killing anyone else. If a reward can get someone to talk and help find him, it's worth every penny and more.'

They have also been stopping and questioning motorists around the locations of the crimes.